Create VPC Network Peering

Create VPC peering between the workload VPC and the Transit VPC.

Select

GCP menu

VPC Network

VPC Network Peering

Create peering connection

Enter the

Name

and select

Your VPC network

Select your project, choose to import/export custom routes, and choose to import/export subnet routes with public IP over the VPC peering connection.

This establishes the peering connection to the VPC network.

Document:GCP-NCC CloudBlade Integration Guide